In-camera sweep panorama is mainly about speed and convenience, not maximum quality or control.

Compared with stitching separate photos later, sweep panorama typically has these limitations:

• lower resolution, often with a relatively small vertical dimension
• single-row capture only; no multi-row panoramas
• fixed projection choice, commonly cylindrical, which can bend straight lines
• less control over exposure, focus, and handling large brightness changes
• stitching errors are harder to correct; if your panning or horizon is off, you usually have to reshoot

Users report that stitching quality may be acceptable for casual use, but it often does not hold up to close inspection. Some implementations may even appear to rely on a video-like capture pipeline, which further limits detail.

Traditional panorama stitching from still frames generally gives better results: higher resolution, more flexible framing, better projection options, and more control over exposure and focus. It also makes advanced approaches like HDR panoramas possible.

Bottom line: sweep panorama is useful if you want a fast, easy panorama in-camera and can accept compromises. For best image quality, resolution, and editing flexibility, traditional stitched panoramas are usually better.